Add (guix modules).

* guix/modules.scm, tests/modules.scm: New files.
* Makefile.am (MODULES, SCM_TESTS): Add them.
* doc/guix.texi (G-Expressions): Add an example of
'source-module-closure'.

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/modules.scm b/tests/modules.scm
new file mode 100644
index 0000000000..04945e531b
--- /dev/null
+++ b/tests/modules.scm
@@ -0,0 +1,45 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (test-modules)
+  #:use-module (guix modules)
+  #:use-module ((guix build-system gnu) #:select (%gnu-build-system-modules))
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-64))
+
+(test-begin "modules")
+
+(test-assert "closure of (guix build gnu-build-system)"
+  (lset= equal?
+         (live-module-closure '((guix build gnu-build-system)))
+         (source-module-closure '((guix build gnu-build-system)))
+         %gnu-build-system-modules
+         (source-module-closure %gnu-build-system-modules)
+         (live-module-closure %gnu-build-system-modules)))
+
+(test-assert "closure of (gnu build install)"
+  (lset= equal?
+         (live-module-closure '((gnu build install)))
+         (source-module-closure '((gnu build install)))))
+
+(test-assert "closure of (gnu build vm)"
+  (lset= equal?
+         (live-module-closure '((gnu build vm)))
+         (source-module-closure '((gnu build vm)))))
+
+(test-end)